Listen to the sound of bats as well as other things that emit ultrasound. You'll be surprised to discover the number of usually inaudible sounds that surround us every day!
We love this product because;
You can assemble your own high quality ultrasonic detector!
Give your ears superpowers and listen to amazing new sounds!
Clear, step-by-step instruction booklet
Easy-build kit - simple push-fit connectors and screw-together parts
Assemble this high quality ultrasonic detector and hear sounds normally beyond human ears!
This is an easy-build kit - all components just clip or screw together. Complete with clear, step-by-step instructions and cardboard case.
The perfect gift for 'build your own' fans and lovers of all things retro!
This is not a toy. Not suitable for children under 14 years.
Requires 1 x 9V battery (not included)